feat(solidity): add missing operators for highlights (helix-editor#10757

)

* feat(solidity): add missing operators for highlights

* fix(solidity): remove invalid operator from highlight queries

* Revert "fix(solidity): remove invalid operator from highlight queries"

This reverts commit 466f383.

* feat(solidity): add highlight query for revert statements with custom errors

* feat(solidity): more precise matching for revert statements

runtime/queries/solidity/highlights.scm

@@ -75,6 +75,7 @@
 
 ; Invocations
 (emit_statement . (identifier) @type)
+(revert_statement error: (identifier) @type)
 (modifier_invocation (identifier) @function)
 
 (call_expression . (member_expression property: (identifier) @function.method))
@@ -223,6 +224,16 @@
  "new"
  "++"
  "--"
+ "+="
+ "-="
+ "*="
+ "/="
+ "%="
+ "^="
+ "&="
+ "|="
+ "<<="
+ ">>="
 ] @operator
 
 [