Update jdx/mr-boxington-action action to v1.5.0

Author: renovate[bot]

.github/workflows/ci-main.yml

@@ -143,7 +143,7 @@ jobs:
         shell: bash
         run: echo "MBX_GC_MAX_SIZE=12GiB" >> "$GITHUB_ENV"
       - name: Set up Mr. Boxington
-        uses: jdx/mr-boxington-action@7234d3dd1a6ca8f6c381eea8e4dfb03f18fcf777 # v1.3.0
+        uses: jdx/mr-boxington-action@9df1d4b18b2147788a7ee7a2c7b84ecf62fd89d3 # v1.5.0
         with:
           backend: github
           version: 1.11.1

.github/workflows/ci-policy.yml

@@ -47,7 +47,7 @@ jobs:
         shell: bash
         run: echo "MBX_GC_MAX_SIZE=12GiB" >> "$GITHUB_ENV"
       - name: Set up Mr. Boxington
-        uses: jdx/mr-boxington-action@7234d3dd1a6ca8f6c381eea8e4dfb03f18fcf777 # v1.3.0
+        uses: jdx/mr-boxington-action@9df1d4b18b2147788a7ee7a2c7b84ecf62fd89d3 # v1.5.0
         with:
           backend: github
           version: 1.11.1