deps: drop temporary patch and move to bstr 1.6

Now that regex 1.9 is out, we can depend on it from crates.io.

Cargo.lock

@@ -25,13 +25,12 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bstr"
-version = "1.5.0"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a246e68bb43f6cd9db24bea052a53e40405417c5fb372e3d1a8a7f770a564ef5"
+checksum = "6798148dccfbff0fae41c7574d2fa8f1ef3492fba0face179de5d8d447d67b05"
 dependencies = [
  "memchr",
- "once_cell",
- "regex-automata 0.1.10",
+ "regex-automata",
  "serde",
 ]
 
@@ -200,7 +199,7 @@ dependencies = [
  "bstr",
  "grep-matcher",
  "log",
- "regex-automata 0.3.0",
+ "regex-automata",
  "regex-syntax",
 ]
 
@@ -374,23 +373,21 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.8.4"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89089e897c013b3deb627116ae56a6955a72b8bed395c9526af31c9fe528b484"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-automata 0.3.0",
+ "regex-automata",
  "regex-syntax",
 ]
 
-[[package]]
-name = "regex-automata"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
-
 [[package]]
 name = "regex-automata"
 version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa250384981ea14565685dea16a9ccc4d1c541a13f82b9c168572264d1df8c56"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -399,7 +396,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.7.2"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ab07dc67230e4a4718e70fd5c20055a4334b121f1f9db8fe63ef39ce9b8c846"
 
 [[package]]
 name = "ripgrep"