deps: sqlite: fix Windows compilation

This is equivalent to the following upstream change:
https://sqlite.org/src/info/6c103aee6f146869

Original commit message:

    Change constant expressions to pre-computed constants, because apparently
    MSVC on ARM requires that.
    [forum:/forumpost/4feb1685cced0a8e|Forum thread 4feb1685cced0a8e].

    FossilOrigin-Name: 6c103aee6f146869a3e0c48694592f2e4c6b57ecdb4450f46e762c38b4e686f1

deps/sqlite/sqlite3.c

@@ -24886,8 +24886,8 @@ static const struct {
   /* 1 */ { 6, "minute",   7.7379e+12,        60.0  },
   /* 2 */ { 4, "hour",     1.2897e+11,      3600.0  },
   /* 3 */ { 3, "day",      5373485.0,      86400.0  },
-  /* 4 */ { 5, "month",    176546.0,  30.0*86400.0  },
-  /* 5 */ { 4, "year",     14713.0,  365.0*86400.0  },
+  /* 4 */ { 5, "month",    176546.0,     2592000.0  },
+  /* 5 */ { 4, "year",     14713.0,     31536000.0  },
 };
 
 /*