Fix uri format to follow RFC 3986 (#2157)

src/builtin.c

@@ -645,7 +645,7 @@ static jv f_format(jq_state *jq, jv input, jv fmt) {
     input = f_tostring(jq, input);
 
     int unreserved[128] = {0};
-    const char* p = CHARS_ALPHANUM "-_.!~*'()";
+    const char* p = CHARS_ALPHANUM "-_.~";
     while (*p) unreserved[(int)*p++] = 1;
 
     jv line = jv_string("");

tests/jq.test

@@ -61,17 +61,17 @@ null
 null
 "interpolation"
 
-@text,@json,([1,.] | (@csv, @tsv)),@html,@uri,@sh,@base64,(@base64 | @base64d)
-"<>&'\"\t"
-"<>&'\"\t"
-"\"<>&'\\\"\\t\""
-"1,\"<>&'\"\"\t\""
-"1\t<>&'\"\\t"
-"&lt;&gt;&amp;&apos;&quot;\t"
-"%3C%3E%26'%22%09"
-"'<>&'\\''\"\t'"
-"PD4mJyIJ"
-"<>&'\"\t"
+@text,@json,([1,.]|@csv,@tsv),@html,@uri,@sh,(@base64|.,@base64d)
+"!()<>&'\"\t"
+"!()<>&'\"\t"
+"\"!()<>&'\\\"\\t\""
+"1,\"!()<>&'\"\"\t\""
+"1\t!()<>&'\"\\t"
+"!()&lt;&gt;&amp;&apos;&quot;\t"
+"%21%28%29%3C%3E%26%27%22%09"
+"'!()<>&'\\''\"\t'"
+"ISgpPD4mJyIJ"
+"!()<>&'\"\t"
 
 # regression test for #436
 @base64