Update gradle/gradle-build-action digest to 29c0906

Author: renovate[bot]

.github/actions/gradle-task/action.yml

@@ -36,7 +36,7 @@ runs:
       uses: ./.github/actions/gradle-args
 
     - name: Gradle build action
-      uses: gradle/gradle-build-action@3b1b3b9a2104c2b47fbae53f3938079c00c9bb87 # v3
+      uses: gradle/gradle-build-action@29c0906b64b8fc82467890bfb7a0a7ef34bda89e # v3
       with:
         cache-read-only: false
         gradle-home-cache-cleanup: true
@@ -93,7 +93,7 @@ runs:
 
     # Run the actual task.  Note that this still uses gradle-build-action for more fine-grained caching.
     - name: Run ${{ inputs.task }}
-      uses: gradle/gradle-build-action@3b1b3b9a2104c2b47fbae53f3938079c00c9bb87 # v3
+      uses: gradle/gradle-build-action@29c0906b64b8fc82467890bfb7a0a7ef34bda89e # v3
       with:
         # These arguments need to be on a single line. If they're defined with wrapping (using `|`),
         # something along the way to the actual CLI invocation gets confused and the jvmargs list