gh-104773: PEP 594: Remove the imghdr module (#104777)

* Remove the Lib/test/imghdrdata/ directory.
* Copy 5 pictures (gif, png, ppm, pgm, xbm) from removed
  Lib/test/imghdrdata/ to a new Lib/test/tkinterdata/ directory.
* Update Sphinx from 4.5 to 6.2 in Doc/requirements.txt.

5 files changed, 6 insertions, 0 deletions

diff --git a/Lib/test/tkinterdata/python.gif b/Lib/test/tkinterdata/python.gif
new file mode 100644
index 0000000..efa0be3
--- /dev/null
+++ b/Lib/test/tkinterdata/python.gif
diff --git a/Lib/test/tkinterdata/python.pgm b/Lib/test/tkinterdata/python.pgm
new file mode 100644
index 0000000..8349f2a
--- /dev/null
+++ b/Lib/test/tkinterdata/python.pgm
diff --git a/Lib/test/tkinterdata/python.png b/Lib/test/tkinterdata/python.png
new file mode 100644
index 0000000..1a987f7
--- /dev/null
+++ b/Lib/test/tkinterdata/python.png
diff --git a/Lib/test/tkinterdata/python.ppm b/Lib/test/tkinterdata/python.ppm
new file mode 100644
index 0000000..7d9cdb3
--- /dev/null
+++ b/Lib/test/tkinterdata/python.ppm
diff --git a/Lib/test/tkinterdata/python.xbm b/Lib/test/tkinterdata/python.xbm
new file mode 100644
index 0000000..cfbee2e
--- /dev/null
+++ b/Lib/test/tkinterdata/python.xbm
@@ -0,0 +1,6 @@
+#define python_width 16
+#define python_height 16
+static char python_bits[] = {
+  0xDF, 0xFE, 0x8F, 0xFD, 0x5F, 0xFB, 0xAB, 0xFE, 0xB5, 0x8D, 0xDA, 0x8F, 
+  0xA5, 0x86, 0xFA, 0x83, 0x1A, 0x80, 0x0D, 0x80, 0x0D, 0x80, 0x0F, 0xE0, 
+  0x0F, 0xF8, 0x0F, 0xF8, 0x0F, 0xFC, 0xFF, 0xFF, };