Ignore otel major/minor updates in dependabot

Otel deps must move with knative/pkg; independent bumps are unmergeable.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: khrm

.github/dependabot.config.yml

@@ -52,6 +52,10 @@ ecosystems:
         update-types:
           - version-update:semver-major
           - version-update:semver-minor
+      - dependency-name: "go.opentelemetry.io/*"
+        update-types:
+          - version-update:semver-major
+          - version-update:semver-minor
   - package-ecosystem: github-actions
     directory: /
     schedule:

.github/dependabot.yml

@@ -25,6 +25,10 @@ updates:
           update-types:
             - version-update:semver-major
             - version-update:semver-minor
+        - dependency-name: go.opentelemetry.io/*
+          update-types:
+            - version-update:semver-major
+            - version-update:semver-minor
       groups:
         all:
             patterns:
@@ -67,6 +71,10 @@ updates:
           update-types:
             - version-update:semver-major
             - version-update:semver-minor
+        - dependency-name: go.opentelemetry.io/*
+          update-types:
+            - version-update:semver-major
+            - version-update:semver-minor
         - dependency-name: '*'
           update-types:
             - version-update:semver-major
@@ -119,6 +127,10 @@ updates:
           update-types:
             - version-update:semver-major
             - version-update:semver-minor
+        - dependency-name: go.opentelemetry.io/*
+          update-types:
+            - version-update:semver-major
+            - version-update:semver-minor
         - dependency-name: '*'
           update-types:
             - version-update:semver-major
@@ -171,6 +183,10 @@ updates:
           update-types:
             - version-update:semver-major
             - version-update:semver-minor
+        - dependency-name: go.opentelemetry.io/*
+          update-types:
+            - version-update:semver-major
+            - version-update:semver-minor
         - dependency-name: '*'
           update-types:
             - version-update:semver-major
@@ -223,6 +239,10 @@ updates:
           update-types:
             - version-update:semver-major
             - version-update:semver-minor
+        - dependency-name: go.opentelemetry.io/*
+          update-types:
+            - version-update:semver-major
+            - version-update:semver-minor
         - dependency-name: '*'
           update-types:
             - version-update:semver-major