dev: update documentation theme (#6550)

Author: ldez

.github/workflows/deploy-documentation.yml

@@ -18,7 +18,7 @@ jobs:
       # - 1.18beta1 -> 1.18.0-beta.1
       # - 1.18rc1 -> 1.18.0-rc.1
       GO_VERSION: '1.26'
-      HUGO_VERSION: 0.148.1
+      HUGO_VERSION: 0.157.0
       CGO_ENABLED: 0
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

.github/workflows/pr-documentation.yml

@@ -16,7 +16,7 @@ jobs:
       # - 1.18beta1 -> 1.18.0-beta.1
       # - 1.18rc1 -> 1.18.0-rc.1
       GO_VERSION: '1.26'
-      HUGO_VERSION: 0.148.1
+      HUGO_VERSION: 0.157.0
       CGO_ENABLED: 0
 
     steps: