go.mod: set 1.17 as minimum

Update github actions too.

Ran gofmt.

.github/workflows/test.yml

@@ -30,7 +30,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         # Do not forget to bump every 6 months!
-        gover: ["1.18"]
+        gover: ["1.19"]
     env:
       PYTHONDONTWRITEBYTECODE: x
     steps:
@@ -101,7 +101,7 @@ jobs:
         # Windows.
         os: [ubuntu-latest, macos-latest, windows-latest]
         # Do not forget to bump every 6 months!
-        gover: ["1.18"]
+        gover: ["1.19"]
     env:
       PYTHONDONTWRITEBYTECODE: x
     steps:
@@ -275,7 +275,10 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        gover: ['1.13.15']
+        # https://github.com/golang/go/issues/55078
+        # golang.org/x/sys/unix broke on Go versions before 1.17. Not worth
+        # fixing.
+        gover: ['1.17.13']
     env:
       PYTHONDONTWRITEBYTECODE: x
     steps:
@@ -299,7 +302,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         # Do not forget to bump every 6 months!
-        gover: ["1.18"]
+        gover: ["1.19"]
     permissions:
       security-events: write
     steps:

doc.go

@@ -11,7 +11,7 @@
 // from https://ftdichip.com/drivers/d2xx-drivers/. See third_party/README.md
 // for more details.
 //
-// Configuration
+// # Configuration
 //
 // See https://periph.io/device/ftdi/ for more details, and how to configure
 // the host to be able to use this driver.

go.mod

@@ -1,3 +1,3 @@
 module periph.io/x/d2xx
 
-go 1.13
+go 1.17