chore(deps): update github-actions

.github/workflows/composer-audit.yaml

@@ -30,7 +30,7 @@ jobs:
           composer audit --abandoned=fail -d dev
       - name: Create issue if previous step fails
         if: ${{ failure() && github.ref == 'refs/heads/main' }}
-        uses: googleapis/librarian/.github/actions/create-issue-on-failure@c1ec41aa4521e7dd6ac2aba480457bbb2d61c2ef # v0.50.0
+        uses: googleapis/librarian/.github/actions/create-issue-on-failure@3c8cc1528686a089cace64bec5f29642c328e3b8 # v0.51.0
         with:
           title: "Composer Audit check failed on main branch"
           body: |

.github/workflows/conformance-tests-gax-showcase.yaml

@@ -21,7 +21,7 @@ jobs:
 
       - name: Setup cache environment
         id: extcache
-        uses: shivammathur/cache-extensions@c33688ce81fd884ddd70d51cadeb62b6fb974750 # 1.15.8
+        uses: shivammathur/cache-extensions@695b1b465eba861efe67cbbc31252c27f5ed253d # 1.15.11
         with:
           php-version: '8.2'
           extensions: grpc

.github/workflows/generation-check.yaml

@@ -19,13 +19,13 @@ jobs:
           persist-credentials: false
       # Version of librarian is pulled from librarian.yaml, action version will not affect librarian version
       # and is pinned to commit SHA to satisfy blanket security policy.
-      - uses: googleapis/librarian@c1ec41aa4521e7dd6ac2aba480457bbb2d61c2ef # v0.50.0
+      - uses: googleapis/librarian@3c8cc1528686a089cace64bec5f29642c328e3b8 # v0.51.0
       - name: Setup PHP
         uses: shivammathur/setup-php@eb7c497e18156a6bbabfef1d3a82760b9eda3962 # 2.40.0
         with:
           php-version: '8.2'
       - name: Setup pnpm
-        uses: pnpm/action-setup@ea17c68df8912ef543352723c149a84f56e3d413 # v6.1.0
+        uses: pnpm/action-setup@73e46992e05b19abd31f2f3c20e0e7370d762115 # v6.1.1
         with:
           version: ^7.0.0
       - name: Install tools
@@ -43,7 +43,7 @@ jobs:
           fi
       - name: Create issue if previous step fails
         if: ${{ failure() && github.event_name == 'push' && github.ref == 'refs/heads/main' }}
-        uses: googleapis/librarian/.github/actions/create-issue-on-failure@c1ec41aa4521e7dd6ac2aba480457bbb2d61c2ef # v0.50.0
+        uses: googleapis/librarian/.github/actions/create-issue-on-failure@3c8cc1528686a089cace64bec5f29642c328e3b8 # v0.51.0
         with:
           title: "Librarian generate diff check failed on main branch"
           body: |

.github/workflows/lint.yaml

@@ -68,7 +68,7 @@ jobs:
           persist-credentials: false
       # Version of librarian is pulled from librarian.yaml,
       # action is pinned to commit SHA to satisfy blanket security policy.
-      - uses: googleapis/librarian@c1ec41aa4521e7dd6ac2aba480457bbb2d61c2ef # v0.50.0
+      - uses: googleapis/librarian@3c8cc1528686a089cace64bec5f29642c328e3b8 # v0.51.0
       - name: Run librarian tidy
         run: librarian tidy
       - name: Check for diff

.github/workflows/release-verify.yaml

@@ -43,7 +43,7 @@ jobs:
           exit $FAILED
       - name: Create issue if previous step fails
         if: ${{ failure() && github.ref == 'refs/heads/main' }}
-        uses: googleapis/librarian/.github/actions/create-issue-on-failure@c1ec41aa4521e7dd6ac2aba480457bbb2d61c2ef # v0.50.0
+        uses: googleapis/librarian/.github/actions/create-issue-on-failure@3c8cc1528686a089cace64bec5f29642c328e3b8 # v0.51.0
         with:
           title: "Release verification failed"
           body: |

.github/workflows/unit-tests.yaml

@@ -35,7 +35,7 @@ jobs:
 
       - name: Setup cache environment
         id: extcache
-        uses: shivammathur/cache-extensions@c33688ce81fd884ddd70d51cadeb62b6fb974750 # 1.15.8
+        uses: shivammathur/cache-extensions@695b1b465eba861efe67cbbc31252c27f5ed253d # 1.15.11
         with:
           php-version: ${{ matrix.php }}
           extensions: sodium, sysvshm, gmp, ${{ matrix.extensions }}