Disable usetesting linter

The linter fails with several warnings from new Go 1.24 functions. Due
to the amount of changed lines, it will be better to address them in
several follow-up pull requests.

> 146 files changed, 1157 insertions(+), 1212 deletions(-)

Signed-off-by: Ivan Valdes <[email protected]>

Author: ivanvc

tools/.golangci.yaml

@@ -35,7 +35,8 @@ linters:
     - unparam
     - unused
     - usestdlibvars
-    - usetesting
+    # Disabled in the meanwhile, it raises several issues with new Go 1.24 functions
+    # - usetesting
     - whitespace
 linters-settings: # please keep this alphabetized
   goimports: