Use queryMetadata category for CWE-730 change notes

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: jketema

csharp/ql/src/change-notes/2026-10-21-remove-cwe-730.md

@@ -1,4 +1,4 @@
 ---
-category: minorAnalysis
+category: queryMetadata
 ---
 * The `external/cwe/cwe-730` tag has been removed from `cs/redos` and `cs/regex-injection`, because MITRE has marked CWE-730 as prohibited for vulnerability mapping. The queries retain their other CWE tags.

java/ql/src/change-notes/2026-10-21-remove-cwe-730.md

@@ -1,4 +1,4 @@
 ---
-category: minorAnalysis
+category: queryMetadata
 ---
 * The `external/cwe/cwe-730` tag has been removed from `java/redos`, `java/polynomial-redos` and `java/regex-injection`, because MITRE has marked CWE-730 as prohibited for vulnerability mapping. The queries retain their other CWE tags.

javascript/ql/src/change-notes/2026-10-21-remove-cwe-730.md

@@ -1,4 +1,4 @@
 ---
-category: minorAnalysis
+category: queryMetadata
 ---
 * The `external/cwe/cwe-730` tag has been removed from `js/redos`, `js/polynomial-redos`, `js/regex-injection`, `js/regex-injection-more-sources`, `js/server-crash` and `js/loop-bound-injection`, because MITRE has marked CWE-730 as prohibited for vulnerability mapping. The queries retain their other CWE tags.

python/ql/src/change-notes/2026-10-21-remove-cwe-730.md

@@ -1,4 +1,4 @@
 ---
-category: minorAnalysis
+category: queryMetadata
 ---
 * The `external/cwe/cwe-730` tag has been removed from `py/redos`, `py/polynomial-redos` and `py/regex-injection`, because MITRE has marked CWE-730 as prohibited for vulnerability mapping. The queries retain their other CWE tags.

ruby/ql/src/change-notes/2026-10-21-remove-cwe-730.md

@@ -1,4 +1,4 @@
 ---
-category: minorAnalysis
+category: queryMetadata
 ---
 * The `external/cwe/cwe-730` tag has been removed from `rb/redos`, `rb/polynomial-redos` and `rb/regexp-injection`, because MITRE has marked CWE-730 as prohibited for vulnerability mapping. The queries retain their other CWE tags.

swift/ql/src/change-notes/2026-10-21-remove-cwe-730.md

@@ -1,4 +1,4 @@
 ---
-category: minorAnalysis
+category: queryMetadata
 ---
 * The `external/cwe/cwe-730` tag has been removed from `swift/redos` and `swift/regex-injection`, because MITRE has marked CWE-730 as prohibited for vulnerability mapping. The queries retain their other CWE tags.