chore: fixed version constraints

Author: halvardssm

deno.json

@@ -6,13 +6,13 @@
     "@std/json": "jsr:@std/json@^1",
     "@std/path": "jsr:@std/path@^1",
     "@std/toml": "jsr:@std/toml@^1",
-    "@stdext/assert": "jsr:@stdext/assert",
-    "@stdext/crypto": "jsr:@stdext/crypto",
-    "@stdext/encoding": "jsr:@stdext/encoding",
-    "@stdext/http": "jsr:@stdext/http",
-    "@stdext/json": "jsr:@stdext/json",
-    "@stdext/lexer": "jsr:@stdext/lexer",
-    "@stdext/types": "jsr:@stdext/types"
+    "@stdext/assert": "jsr:@stdext/assert@^0",
+    "@stdext/crypto": "jsr:@stdext/crypto@^0",
+    "@stdext/encoding": "jsr:@stdext/encoding@^0",
+    "@stdext/http": "jsr:@stdext/http@^0",
+    "@stdext/json": "jsr:@stdext/json@^0",
+    "@stdext/lexer": "jsr:@stdext/lexer@^0",
+    "@stdext/types": "jsr:@stdext/types@^0"
   },
   "tasks": {
     "check": "deno task format:check && deno lint && deno check **/*.ts",