Update test expectations for Prism 1.8.0 and Sorbet 0.6.12883

Prism 1.8.0 reports unterminated construct errors at the opening token
instead of end-of-line (ruby/prism#3848).

Sorbet 0.6.12883 reports block parameters as T.noreturn instead of
T.untyped in LSP signature help responses.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: st0012

test/spoom/cli/srb/lsp_test.rb

@@ -214,7 +214,7 @@ def bar(a)
           result = @project.spoom("srb lsp --no-color sigs lib/sigs.rb 12 4")
           assert_equal(<<~MSG, result.out)
             Signature for `lib/sigs.rb:12:4`:
-              * SigsTest#bar(a: Integer, <blk>: T.untyped)
+              * SigsTest#bar(a: Integer, <blk>: T.noreturn)
           MSG
         end
 

test/spoom/deadcode/index_definitions_test.rb

@@ -22,7 +22,7 @@ def foo(
           Error while parsing foo.rb:
           - unexpected end-of-input; expected a `)` to close the parameters (at 1:8)
           - unexpected end-of-input, assuming it is closing the parent top level context (at 1:8)
-          - expected an `end` to close the `def` statement (at 1:8)
+          - expected an `end` to close the `def` statement (at 1:0)
         ERRORS
       end