Adding gosec and lint, fixing null_type overflow

ChangeLog:
  - Adding gosec linting
  - Adding static type to enum
  - fixing nulltype overflow
  - Trying out gotestsum as an alternative to go-junit-report.xml

.circleci/config.yml

@@ -8,7 +8,7 @@ jobs:
   build_and_tests:
     docker:
       # specify the version
-      - image: cimg/go:1.21.6
+      - image: cimg/go:1.22.2
       - image: cimg/postgres:14.10
         environment:
           POSTGRES_USER: jet
@@ -128,17 +128,13 @@ jobs:
 
       # to create test results report
       - run:
-          name: Install go-junit-report
-          command: go install github.com/jstemmer/go-junit-report@latest
-
+          name: Install gotestsum
+          command: go install gotest.tools/gotestsum@latest
       - run: mkdir -p $TEST_RESULTS
 
-      # this will run all tests and exclude test files from code coverage report
-      - run:  |
-          go test -v ./... \
-            -covermode=atomic \
-            -coverpkg=github.com/go-jet/jet/v2/postgres/...,github.com/go-jet/jet/v2/mysql/...,github.com/go-jet/jet/v2/sqlite/...,github.com/go-jet/jet/v2/qrm/...,github.com/go-jet/jet/v2/generator/...,github.com/go-jet/jet/v2/internal/... \
-            -coverprofile=cover.out 2>&1 | go-junit-report > $TEST_RESULTS/results.xml
+      - run:
+          name: Running tests
+          command:  gotestsum --junitfile report.xml --format testname   -- -coverprofile=cover.out  -covermode=atomic -coverpkg=github.com/go-jet/jet/v2/postgres/...,github.com/go-jet/jet/v2/mysql/...,github.com/go-jet/jet/v2/sqlite/...,github.com/go-jet/jet/v2/qrm/...,github.com/go-jet/jet/v2/generator/...,github.com/go-jet/jet/v2/internal/... ./...
 
       # run mariaDB and cockroachdb tests. No need to collect coverage, because coverage is already included with mysql and postgres tests
       - run: MY_SQL_SOURCE=MariaDB go test -v  ./tests/mysql/
@@ -163,4 +159,4 @@ workflows:
   version: 2
   build_and_test:
     jobs:
-      - build_and_tests
+      - build_and_tests